package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

@RestController
@RequestMapping("/report")
public class ReportController {

    @Reference
    private MemberService memberService;
    @Reference
    private SetmealService setmealService;

    //会员数量统计
    @RequestMapping("/getMemberReport")
    public Result getMemberReport() {

        //获取当前时间
        Calendar calendar = Calendar.getInstance();
        Date time = calendar.getTime();
        System.out.println(time);
        //获取当前日期之前的12个月的日期
        calendar.add(Calendar.MONTH, -12);

        List<String> list = new ArrayList<String>();


        for (int i = 0; i < 12; i++) {
            calendar.add(Calendar.MONTH, 1);
            list.add(new SimpleDateFormat("yyyy.MM").format(calendar.getTime()));
        }
        Map<String, Object> map = new HashMap<String, Object>();

        //时间年月
        map.put("months", list);
        //数量  需要查询数据库
        List<Integer> memberCount = memberService.findMemberCountByMonth(list);
        map.put("memberCount", memberCount);

        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
    }


    @RequestMapping(value = "/getSetmealReport")
    public Result getSetmealReport() {
        /*data:{
                "setmealNames":["套餐1"，"套餐2"，"套餐3"，],
                 "setmealCount":[
                    {"name":"套餐1","value":10}
                    {"name":"套餐2","value":20}
                    {"name":"套餐3","value":30}
                 ]
                 -DarchetypeCatalog=internal -Dfile.encoding=GBK
        }*/

        /*//返回的数据格式  先造假数据测试
        Map<String, Object> data = new HashMap<String, Object>();
        List<String> list = new ArrayList<String>();
        list.add("套餐1");
        list.add("套餐2");
        list.add("套餐3");
        data.put("setmealNames", list);

        List<Map<String, Object>> list1 = new ArrayList<Map<String, Object>>();

        Map<String, Object> map1 = new HashMap<String, Object>();
        map1.put("name", "套餐1");
        map1.put("value", 10);

        Map<String, Object> map2 = new HashMap<String, Object>();
        map2.put("name", "套餐2");
        map2.put("value", 20);

        Map<String, Object> map3 = new HashMap<String, Object>();
        map3.put("name", "套餐3");
        map3.put("value", 30);
        list1.add(map1);
        list1.add(map2);
        list1.add(map3);

        data.put("setmealCount", list1);*/

        List<Map<String, Object>> list = setmealService.findSetmealCount();


        Map<String, Object> map = new HashMap<String, Object>();
        map.put("setmealCount", list);
        List<String> setmealNames = new ArrayList<String>();
        for (Map<String, Object> m : list) {
            String name = (String) m.get("name");
            setmealNames.add(name);
        }
        map.put("setmealNames", setmealNames);
        return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS, map);

    }

    @Reference
    private ReportService reportService;

    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData() {
        //用map封装
        try {
            Map<String, Object> businessReport = reportService.getBusinessReport();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, businessReport);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }

    }

   @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request,HttpServletResponse response) {
        //先获取数据
        try {
            Map<String, Object> result = reportService.getBusinessReport();
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            String filePath = request.getSession().getServletContext().getRealPath("template")+ File.separator+"report_template.xlsx";
            //基于提供的Excel模板文件在内存中创建一个Excel表格对象
            XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(filePath)));
            //读取第一个工作表
            XSSFSheet sheet = excel.getSheetAt(0);

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for(Map map : hotSetmeal){//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");//代表的是Excel文件类型
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");//指定以附件形式进行下载
            excel.write(out);

            out.flush();
            out.close();
            excel.close();
            return null;



        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }

    }
    @RequestMapping("/exportBusinessReport4PDF")
    public Result exportBusinessReport4PDF(HttpServletRequest request,HttpServletResponse response){
        try {
            Map<String,Object> result=reportService.getBusinessReport();
            //取出返回的数据，准备写入到pdf中
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");
            //动态获取模板文件绝对路径
            String jrxmlPath = request.getSession().getServletContext().getRealPath("template") + File.separator + "health_business3.jrxml";
            String jasperPath=request.getSession().getServletContext().getRealPath("template")+File.separator + "health_business3.jasper";
            //编译模板
            JasperCompileManager.compileReportToFile(jrxmlPath,jasperPath);
            //填充数据
            JasperPrint jasperPrint= JasperFillManager.fillReport(jasperPath,result, new JRBeanCollectionDataSource(hotSetmeal));
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/pdf");
            response.setHeader("conten-Disposition","attachment;filename=report.pdf");
            //输出文件
            JasperExportManager.exportReportToPdfStream(jasperPrint,out);
            return null;
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }


}
